Research on the Design Risk of Mid Span Variable Cross-sec-tion Continuous Rigid Frame Box Girder Support
With the development of social economy and technological progress,bridge construction not only meets functional re-quirements,but also has increasingly high requirements for aesthetics,environmental protection,economy,and other aspects.The mid span variable cross-section continuous rigid frame box girder has gradually become an important choice for modern bridge construction due to its excellent performance and wide application.However,there are certain risks in the design and construction process of this structure,and in-depth research and evaluation of structural stability risks are needed.This article relies on the Xuming Expressway project to study the design risks of mid span variable cross-section continuous rigid frame box girder supports.In order to reduce the risk of variable cross-section box girder support design,sufficient risk assessment and management are needed.This includes conducting detailed geological surveys and foundation designs to ensure the stabili-ty and load-bearing capacity of the supports;Reasonably select construction equipment and materials to ensure construction quality and safety;Take appropriate safety measures to ensure the safety of construction personnel;And carry out strict con-struction monitoring and management to ensure that the construction progress and quality meet the requirements.
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